初中Unit 1 The population of China is about 1.37 billion.教学ppt课件

这是一份初中Unit 1 The population of China is about 1.37 billion.教学ppt课件，文件包含Module9Unit1pptx、Module9Unit1doc、80亿人口意味着什么mp4、M9U1acivity3m4a、WYM9U1acitivty2m4a、一分钟看完全球人口变化史印度可能3年后超过中国mp4等6份课件配套教学资源，其中PPT共24页， 欢迎下载使用。
1. understand cnversatins abut ppulatin; 2. use large number t talk abut ppulatin issues；3. aruse the awareness f cncern with ppulatin issues.
By the end f the class, we will be able t:
Wrk in pairs. Lk at the picture and talk abut it. Use the wrds in the bx t help yu.
city shp nise peple traffic
There are many peple in the city.The city is very crwded.There is much nise.The traffic may be heavy.
What caused the abve prblems?
What infrmatin can yu get frm this vide?
The ppulatin f the wrld increase quickly; the ppulatin f China is the largest f all;...
Frm the vide we knw that the wrld’s ppulatin is 7.7 billin by 2019 and China has a ppulatin f 1.4 billin. S, d yu knw hw t read big numbers?
大数字念法：每三个数字为一个单位，每个单位的数字按照百、十、个位向后读，遵循百位以内数字的读法。进位读法为thusand, millin, billin向上递增。
Try t read these numbers.
100: 1000: 1000000:1000000000:130: 1250:150,000: 500,000: 2,100,000: 5,600,000: 82,550,000:3,5600,271,849:
ne hundredne thusandne millinne billinne hundred and thirtyne thusand, tw hundred and fiftyne hundred and fifty thusandfive hundred thusandtw millin, ne hundred thusand five millin, six hundred thusandeighty-tw millin, five hundred and fifty thusand ?
3，5600，271，849
eight hundred and frty-nine
three billin,
five thusand and six hundred millin,
tw hundred and seventy-ne thusand,
Listen and repeat.
8,742 2,463,128 1,370,000,0002,000,030,000
eight thusand, seven hundred and frty-tw
tw millin, fur hundred and sixty-three thusand, ne hundred and twenty-eight
ne billin, three hundred and seventy millin
tw billin and thirty thusand
Listen and chse the crrect answer.
1 What is the ppulatin f New Yrk? a)Abut 17 millin.b)Abut 9 millin.c)Abut 30 millin. 2 What is the ppulatin f Tky?a)Abut 4 millin. b)Abut 28 millin.c)Abut 14 millin.
Listen and answer the questins.
1. What is Tny ding?2.What are they talking abut?3. What prblems des the increase ppulatin cause?4. Which cuntries are seeing the mst ppulatin grwth?5. What’s wrng with cuntries with lw birth?
They are talking abut the ppulatin grwth.
He is preparing a reprt called “The wrld’s ppulatin” .
It causes a lt f prblems, such as t much traffic and nise.
India, Nigeria and Pakistan.
There aren’t enugh peple t d all the jbs, r enugh yung peple t lk after the lder nes.
Lingling:What are yu ding?Tny: I’m preparing a reprt called “The wrld’s ppulatin”.Lingling: Well, I can help! I just watched a vide abut wrld ppulatin yesterday. It said the wrld’s ppulatin was abut 7.8 billin in 2020. And the number will climb t 8.5 billin in 2030.Tny: I can’t believe it! That’s a huge number. Which cuntries are seeing the mst ppulatin grwth?Lingling: The largest increase in ppulatin will take place in India, Nigeria and Pakistan. By 2030,India will have abut1.5 billin peple.
Tny: Hang n a minute! I’ll make sme ntes!Lingling: When ppulatins increase t fast, it can cause prblems, such as t much traffic and nise.Tny: That’s true. Hw abut cuntries with slw-grwing ppulatins?Lingling: Cuntries with lw birth rates have prblems t.There aren’t enugh peple t d all the jbs, r enugh yung peple t lk after the lder nes.Tny: I see. Great, thanks fr the infrmatin! Nw I can write my reprt!
Ppulatin f the wrld in 2020 . ppulatin f the wrld in 2030 . pllutin f India in 2030 .
Nw cmplete the ntes.
abut 7.8 billin
abut 8.5 billin
abut 1.5 billin
Chse the crrect answer.
1. Birth happens at the start / at the end f life.2. Huge means large / small.3. An increase in ppulatin means mre / fewer peple.4. Hang n a minute means waiting fr a shrt time / a lng time.5. Making ntes means writing a lng passage / a few wrds.6. A prblem is smething easy / difficult.7. A reprt is a lng piece f writing / a few wrds.8. A billin is a hundred / a thusand millin.
The wrld’s ppulatin was abut 7.8 billin in 2020. It is even mre nw. Hw des a grwing ppulatin impact the envirnment? Discuss with yur partners, then name tw envirnmental issues that can get wrse with mre peple.
What shuld we d as individuals and cmmunities? Watching a vide and discuss the questin.
Increased demand（需求） fr resurces; pllutin, climate chage, waste, verfishing; ...
Individuals: save electricity resurces; reduce the use f single-use plastic prducts, etc.Cmmunities: publicity activities; garbage srting facilities; etc.
When we face these prblems, what shuld we d as individuals and cmmunities?
ppulatin 是一个集体名词，作主语时，若指一个地区或国家的整体人口，谓语动词通常用单数；若强调整体人口中的成员，谓语动词通常用复数。例如：The ppulatin f the city is abut 20,000. 这个城市大约有两万人口。Three fifths f the ppulatin here are ld peple. 这里五分之三的人是老年人。
1. ppulatin
表示一个地区或一个国家有多少人口时，可用 the ppulatin f ... is ... 或 ... has a ppulatin f ...。 ppulatin f their cuntry is 28,100,000. 他们国家的人口是二千八百一十万。 The city has a ppulatin f 50,000. 这座城市有五万人口。形容“人口数量的多或少”可用large 或 small 修饰。 ppulatin f Beijing is large. 北京人口众多。
prepare用作动词，意为“准备”，后面常跟名词、代词、动词不定式作宾语。 prepare … fr … 为……准备……prepare后还可以接间接宾语，即prepare sb. sth.，相当于 prepare sth. fr sb.，意为“为某人准备某事（物）”。e.g. Mum prepares breakfast fr me every mrning. 妈妈每天早晨为我准备早餐。 We began t prepare fr this jurney a week ag. 我们一周前开始为这次旅行做准备。
2.I’m preparing a reprt called “The wrld’s ppulatin”.
3. It can cause prblems, such as t much traffic and nise.
t many：“太多”，后接可数名词复数。 eg. t many apples t much：“太多”，后接不可数名词。 eg. t much milkmuch t：“太”，后接形容词或副词。 eg. much t big
1.—Can yu write the number eighty-five thusand, six hundred and twenty-six? —Yes, it is __________. A. 856620 B. 85626 C. 586622.—What are yu preparing _____ yur party? —I’m thinking abut wh I’ll invite. A. at B. fr C. with3.There are _____ peple in the little rm. A. s much B. s many C. very much
4.— The schl bus is cming. — _____. I’ll cme in a minute. A. Hang n B. On earth C. Once r twice5. He eats ____ fd, s he is ____fat.  A. t many; t much   B. t many; much t  C. t much; much t